Home / 1,224,605.70-1,836,471.15-425,913.30

Finding the Fourth Proportional to 1,224,605.70, 1,836,471.15 and 425,913.30

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Solution

The fourth proportional to 1,224,605.70, 1,836,471.15 and 425,913.30 is: 638,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,605.70 : 1,836,471.15 = 425,913.30 : x
  2. Step 2: Convert to fraction form
    1,224,605.70/1,836,471.15 = 425,913.30/x
  3. Step 3: Cross multiply
    1,224,605.70x = 1,836,471.15 × 425,913.30
  4. Step 4: Simplify right side
    1,224,605.70x = 782,177,487,851.30
  5. Step 5: Solve for x
    x = 782,177,487,851.30/1,224,605.70
  6. Step 6: Final answer
    x = 638,717.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.